haven/nexgb/examples/window.go

62 lines
1.3 KiB
Go

package main
import (
"fmt"
"log"
"github.com/BurntSushi/xgb"
)
func main() {
X, err := xgb.NewConn()
if err != nil {
log.Fatal(err)
}
wid, _ := X.NewId()
X.CreateWindow(X.DefaultScreen().RootDepth, wid, X.DefaultScreen().Root,
0, 0, 500, 500, 0,
xgb.WindowClassInputOutput, X.DefaultScreen().RootVisual,
0, []uint32{})
X.ChangeWindowAttributes(wid, xgb.CwEventMask | xgb.CwBackPixel,
[]uint32{0xffffffff, xgb.EventMaskKeyPress | xgb.EventMaskKeyRelease})
err = X.MapWindowChecked(wid).Check()
if err != nil {
fmt.Printf("Checked Error for mapping window %d: %s\n", wid, err)
} else {
fmt.Printf("Map window %d successful!\n", wid)
}
err = X.MapWindowChecked(0x1).Check()
if err != nil {
fmt.Printf("Checked Error for mapping window 0x1: %s\n", err)
} else {
fmt.Printf("Map window 0x1 successful!\n")
}
for {
ev, xerr := X.WaitForEvent()
if ev == nil && xerr == nil {
log.Fatal("Both event and error are nil. Exiting...")
}
if ev != nil {
fmt.Printf("Event: %s\n", ev)
}
if xerr != nil {
fmt.Printf("Error: %s\n", xerr)
}
if xerr == nil {
geom, err := X.GetGeometry(0x1).Reply()
if err != nil {
fmt.Printf("Geom Error: %#v\n", err)
} else {
fmt.Printf("Geometry: %#v\n", geom)
}
}
}
}